Home / 7,425.30-11,134.46-4,306.19

Finding the Fourth Proportional to 7,425.30, 11,134.46 and 4,306.19

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Solution

The fourth proportional to 7,425.30, 11,134.46 and 4,306.19 is: 6,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.30 : 11,134.46 = 4,306.19 : x
  2. Step 2: Convert to fraction form
    7,425.30/11,134.46 = 4,306.19/x
  3. Step 3: Cross multiply
    7,425.30x = 11,134.46 × 4,306.19
  4. Step 4: Simplify right side
    7,425.30x = 47,947,138.91
  5. Step 5: Solve for x
    x = 47,947,138.91/7,425.30
  6. Step 6: Final answer
    x = 6,457.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.